Other pancytopenia

This code represents a rare hematologic disorder characterized by a significant decrease in all three major blood cell lines: red blood cells (anemia), white blood cells (leukopenia), and platelets (thrombocytopenia), when the underlying cause is not aplastic anemia or myelodysplastic syndrome. It indicates a bone marrow failure state where the marrow is unable to produce sufficient quantities of mature blood cells.

Use this code when documentation specifies pancytopenia due to an identified cause other than aplastic anemia or myelodysplastic syndrome, or when the specific type of pancytopenia is not otherwise classifiable. This code is appropriate for secondary pancytopenia resulting from conditions like severe infections, certain drug toxicities, or large granular lymphocytic leukemia, where a more specific code for the pancytopenia itself is unavailable.

• Always sequence this code after the underlying cause of the pancytopenia, if known and documented.
• Do not use this code if the pancytopenia is due to aplastic anemia (D61.9) or myelodysplastic syndromes (D46.-).
• Ensure documentation clearly states "pancytopenia" and rules out aplastic anemia or MDS to support this specific code.